ACCESS GATEWAY
Installing the Access Gateway 69
Setting the DHCP Options
When a device connects to the network, the DHCP server assigns it a “dynamic” IP address for
the duration of the session. Most users have DHCP capability on their computer. To enable this
service on the Access Gateway, you can either enable the DHCP relay (routed to an external
DHCP server IP address), or you can enable the Access Gateway to act as its own DHCP
server. In both cases, DHCP functionality is necessary if you want to automatically assign IP
addresses to subscribers.
1. Enter c (configuration) at the Access Gateway Menu. The Configuration menu appears.
2. Enter dh (dhcp).
3. Follow the on-screen instructions to set up your DHCP options. For example:
Sample Screen Response:
Configuration>dh
Enable/Disable IP Upsell [disabled ]:
Enable/Disable DHCP Relay [disabled ]:
Enable/Disable DHCP Server [enabled ]:
Enable/Disable Subnet-based DHCP Service [disabled
Enable/Disable Forwarded DHCP Clients [disabled ]:
The Access Gateway’s adaptive configuration technology provides Dynamic
Address Translation (DAT) functionality. DAT is automatically configured to
facilitate “plug-and-play” access to subscribers who are misconfigured with
static (permanent) IP addresses, or subscribers that do not have DHCP capability
on their computers. DAT allows all users to obtain network access, regardless of
their computer’s network settings.
By default, the Access Gateway is configured to act as its own DHCP server and
the relay feature is “disabled.”. Please verify that your DHCP Server supports
DHCP packets before enabling the relay. Not all devices containing DHCP
servers (for example, routers) support DHCP Relay functionality.
When assigning a DHCP Relay Agent IP address for the DHCP Relay, ensure
that the IP address you use does not conflict with devices on the network side of
the Access Gateway.
Although you cannot enable the DHCP relay and the DHCP service at the
same time, it is possible to “disable” both functions from the Command Line
Interface. In this case, a warning message informs you that no DHCP services
are available to subscribers.
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